Chapter 21 Troubleshooting
Wireless clients cannot connect to an AP.
•There may be a configuration mismatch between the wireless clients and the AP. or an incorrect VLAN topology. See Chapter 4 on page 55 for a simple primer on basic network topology and management.
•The wireless client’s MAC address may be on the MAC filtering list. See Section 12.3.3 on page 161 for details on managing the
•The wireless client may not be able to get an IP:
Check the wireless client’s own network configuration settings to ensure that it is set up to receive its IP address automatically.
If the
Check the wireless client’s own network settings to ensure it is already set up with its static IP address.
•Authentication of the wireless client with the authentication server may have failed. Ensure the AP profile assigned to the AP uses a security profile that is properly configured and which is matches the security settings in use by the
•If you cannot solve the problem on your own, before contacting Customer Support use the
The AP status is registered as offline even though it is on.
•Check the network connections between the
•The AP may be suffering from instability. Disconnect it to turn its power off, wait some time, then reconnect it and see if that resolves the issue.
•The CAPWAP daemon may be down. Use the
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